Multipurpose sign preparation tool



FIG. 1 is a rear perspective view of a multipurpose sign preparation tool showing my new design;

FIG. 2 is a front perspective view of the tool; and,

FIG. 3 is a perspective view similar to FIG. 1 but illustrating the tool from the opposite side. 

The ornamental design for a multipurpose sign preparation tool, as shown and described. 